What is Cardeta and non Cardeta and gives some examples

1.	What is Cardeta and non Cardeta and gives some examples
Answer» \xa0\t\xa0CHORDATES\xa0NON-CHORDATES1) Animal having a notocord or backbone in their body structure are called chordates.1) Animals\xa0without a notochord are called non-chordates.2) Central nervous system is hollow and dorsal.2) It is solid and ventral.3) Heart is ventrally placed.3) If present, it is on the dorsal side.4) Haemoglobin is present in the RBCs.4) If present, it is dissolved in the plasma.5) Post **** tail is present.5) It is absent in them.6)\xa0Pharyngeal gill slits is present at some stage of life.6) It is absent in them.\t

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